Details

5 cars per train. Riders are arranged 4 across in a single row for a total of 20 riders per train.

Etymology:

Eejanaika is pronounced "Ee ja nai ka" (with the "Ee" like "Ay"). Eejanaika has several meanings, but "Ain't it great" is believed to be the relevant meaning in this situation. More information can be found on the following Wikipedia link.

Cost:

35 hundred million Yen, which at the time of the press release converts to just over 31 million USD.